WIP

Author: mydea

dev-packages/rollup-utils/plugins/npmPlugins.mjs

@@ -30,9 +30,9 @@ export function makeSucrasePlugin(options = {}, sucraseOptions = {}) {
     {
       transforms: ['typescript', 'jsx'],
       // We use a custom forked version of sucrase,
-      // where optional chaining & nullish coalescing are never polyfilled (even if this is false)
-      // If this is disabled, then numeric separators & class fields are not polyfilled anymore, which we rely on
+      // where there is a new option `disableES2019Transforms`
       disableESTransforms: false,
+      disableES2019Transforms: true,
       ...sucraseOptions,
     },
   );

package.json

@@ -147,7 +147,7 @@
     "gauge/strip-ansi": "6.0.1",
     "wide-align/string-width": "4.2.3",
     "cliui/wrap-ansi": "7.0.0",
-    "**/sucrase": "getsentry/sucrase#es2020-polyfills"
+    "**/sucrase": "getsentry/sucrase#fn/do-not-polyfill"
   },
   "version": "0.0.0",
   "name": "sentry-javascript",

yarn.lock

@@ -31668,9 +31668,9 @@ [email protected], stylus@^0.59.0:
     sax "~1.2.4"
     source-map "^0.7.3"
 
-sucrase@^3.27.0, sucrase@^3.35.0, sucrase@getsentry/sucrase#es2020-polyfills:
+sucrase@^3.27.0, sucrase@^3.35.0, sucrase@getsentry/sucrase#fn/do-not-polyfill:
   version "3.35.0"
-  resolved "https://codeload.github.com/getsentry/sucrase/tar.gz/d465b752e6355bc696bd5d3e0465f6329ea74ec8"
+  resolved "https://codeload.github.com/getsentry/sucrase/tar.gz/83055fad8fa6316bf82adbb6df32798535aad1df"
   dependencies:
     "@jridgewell/gen-mapping" "^0.3.2"
     commander "^4.0.0"